APA
Lee D. S., Butler Matthew J, Moretti Enrico & National Bureau Of Economic Research. (2002). Credibility and policy convergence: Evidence from U.S. roll call voting records. Cambridge, MA: NBER.
Chicago
Lee David S, Butler Matthew J, Moretti Enrico and National Bureau Of Economic Research. 2002. Credibility and policy convergence: Evidence from U.S. roll call voting records. Cambridge, MA: NBER.
Harvard
Lee D. S., Butler Matthew J, Moretti Enrico and National Bureau Of Economic Research. (2002). Credibility and policy convergence: Evidence from U.S. roll call voting records. Cambridge, MA: NBER.
MLA
Lee David S, Butler Matthew J, Moretti Enrico and National Bureau Of Economic Research. Credibility and policy convergence: Evidence from U.S. roll call voting records. Cambridge, MA: NBER. 2002.